Options.OptStream.IOOps

This module defines IOOps, which is a way to abstract away IO operations required for Options.OptStream.

Documentation

class Monad m => IOOps m where

IOOps is a typeclass that describes parts of IO used by Options.OptStream. It is meant to be represented by IO in production and a mock implementation in tests.

Methods

getArgs :: m [String]

getProgName :: m String

putStrLn :: String -> m ()

die :: String -> m a

exitSuccess :: m a

Instances

IOOps IO

Defined in Options.OptStream.IOOps

Methods

getArgs :: IO [String]

getProgName :: IO String

putStrLn :: String -> IO ()

die :: String -> IO a

exitSuccess :: IO a